Industrial Filter Cartridge Manufacturer PTFE Membrane Filter Cartridge with Corrosion Resistant PVDF Structure, PVDF Series
PTFE Membrane Filter Cartridge with Corrosion Resistant PVDF Structure, PVDF Series
Our PTFE membrane filter cartridges feature a corrosion-resistant PVDF structure. The full-fluoropolymer filter layer is composed of polytetrafluoroethylene (PTFE)/hydrophilic PTFE membrane, while the housing, center rod, and end caps are meticulously crafted from PVDF material. This structure ensures superior resistance to chemical corrosion, enabling the efficient and extended filtration of highly corrosive chemicals like acids, alkalis, and organic solvents.
Materials of Construction
| Filter Medium | PTFE Membrane |
| Drainage | ECTFE |
| Center Rod/Housing/End Cap | PVDF |
Specifications
| Length | 10", 20" |
| Micron Rating | 0.1~5.0μm |
| Max. Operating Temperature | 100℃ |
| Max. Differential Pressure | 4.0 bar / 21℃ 2.4bar / 80℃ |
| Filtration Area | 0.6~0.7 m2/10" |
| Biological Safety | Dissolved matter＜30mg per 10" Endotoxin level＜0.25EU/ml |
Chemical Compatibility
| Category | Medium | Concentration (%) | PVDF | ||
| 20℃ | 60℃ | 90℃ | |||
| Acid | HCl H2SO4 HNO3 H3PO4 HF | 37 96 ＞97 65 86 40 | + + ~ + + + | + 0 ~ + + + | + + ~ + + + |
| Alkali | Ammonia NaOH Amine | ~ PH＜12 PH12 ~ | 0 + ~ 0 | ~ + ~ 0 | ~ + ~ ~ |
| Salt | General Chloride | + 0 | + 0 | + ~ | |
| Solvent | Aromatic Compounds Aliphatic Compounds Ketones, Esters Alcohols Chlorinated Solvents Dimethyl/Acyl Amide | + + 0 + + ~ | 0 + ~ 0 0 ~ | 0 + ~ 0 0 ~ | |
| Halogens/Gases | Fluorine Chlorine Bromine Ozone | ~ 0 + 0 | ~ 0 + ~ | ~ 0 + ~ | |
| Others | Hydraulic Oil Mineral Oil Alkali Metals | + + ~ | + + ~ | + + ~ | |
Note: "+" indicates resistant, "0" indicates conditionally resistant, and "~" indicates not recommended.
Applications
- Filtration of chemical raw materials
- Filtration of highly corrosive acids
- Filtration of organic solvents
- High-temperature gas filtration (above 100℃)
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